High Monthly Mean Pressures For London

[Weather-history]

Here are some high monthly mean pressures for the London area up to 1900AD and greater than 1028mb

January 1779: 1029mb

England and Wales rainfall: 15.3mm

CET: 2.9C

December 1780: 1029.5mb

England and Wales rainfall: 11.1mm

CET: 3.2C

February 1797: 1029.5mb

England and Wales rainfall: 15.3mm

CET: 4.6C

December 1834: 1028.2mb

England and Wales rainfall: 36.2mm

CET: 5.6C

December 1843: 1030.2mb

England and Wales rainfall: 18.2mm

CET: 7.4C

March 1854: 1028.6mb

England and Wales rainfall: 20.7mm

CET: 6.7C

January 1880: 1028.4mb

England and Wales rainfall: 16.2mm

CET: 0.9C

February 1891: 1031.9mb

England and Wales rainfall: 3.6mm

CET: 3.9C

January 1896: 1028.1mb

England and Wales rainfall: 36.0mm

CET: 4.8C

[AderynCoch]

December 1843: 1030.2mb

England and Wales rainfall: 18.2mm

CET: 7.4C

This is a strange December: very dry but also very mild.

[Weather-history]

This is a strange December: very dry but also very mild.

February 1998

CET: 7.3

Rainfall: 20.4mm

Anticyclonic SWly flow.

[Timmead]

Here are some high monthly mean pressures for the London area up to 1900AD and greater than 1028mb

etc.

Why only up to 1900?